Whitney Houston's 18-year-old daughter Bobbi Kristina Brown was taken from the Beverly Hilton hotel in Beverly Hills, Calif. on Sunday morning in an ambulance, it was confirmed to OnTheRedCarpet.com.

Brown, who is the only daughter of the late singer and Bobby Brown, is believed to be distraught over her mother's death and was awake and alert at the time of transport and brought to the Cedar Sinai Hospital at 10:26 a.m. PT. Her current condition is unknown.

Brown is an aspiring singer and actress and was with Houston during what was to be her final performance on Thursday, February 9.

The music legend was at the "Kelly Price & Friends Unplugged: For The Love Of R&B Grammy Party" at Tru Hollywood nightclub on Thursday, February 9. Kelly Price called Houston up on stage and the pair sang a duet of "Yes, Jesus Loves Me" before Houston blew kisses to the crowd and walked off stage. ( Watch a video of the performance and photos taken of Houston leaving the event).

"First of all, I want to tell you that I love you all," Brown told the sold-out crowd. "Second, I would like to say, I love you Whitney. The hardest thing for me to do is to come on this stage."

UPDATE: Bobbi Kristina Brown was taken to the hospital "to be treated for stress and anxiety," a source close to the family told OnTheRedCarpet.com. She was released from the hospital as of 1:43 p.m. PT.